Aptitude - Surds and Indices - Discussion

Discussion Forum : Surds and Indices - General Questions (Q.No. 1)

Surds and Indices

(17)^3.5 x (17)^? = 17⁸

2.29

2.75

4.25

4.5

Answer: Option

Explanation:

Let (17)^3.5 x (17)^x = 17⁸.

Then, (17)^{3.5 + x} = 17⁸.

3.5 + x = 8

x = (8 - 3.5)

x = 4.5

Discussion:

18 comments Page 2 of 2.

Krishnalal Reang said: 10 years ago

I want with explanation and simple solution.

Harry said: 7 years ago

Please explain the calculation of 17^3.5.

(2)

Kilama Charles said: 9 months ago

Thanks all for giving an explanation.

(3)

David wainaina said: 1 decade ago

Simple maths you just do 8-3.5 = 4.5.

Devika said: 1 decade ago

How + came in second step?

Vijay said: 4 years ago

Yes, A^m * A^n = A^m+n.

(2)

Ayovin said: 9 years ago

Simple 8 - 3.5 = 4.5.

Glory said: 3 years ago

Thanks everyone.

(4)

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